Vitamin K Levels in Common Foods

Your quick guide to fats, oils, and dressings while taking Coumadin (warfarin)

Here is a handy list of the amounts of Vitamin K in the indicated servings of common fats, oils, and dressings. Vitamin K measurements are for the amount measured before cooking. Remember that consistency is key in your daily amount of Vitamin K so that your INR and your dosage of Coumadin (warfarin) can remain stable.

The current Recommended Daily Allowance of Vitamin K is 70-80 micrograms per day. Here's why the RDA should be your target.

Item Amount Vitamin K (in micrograms)
Butter (unsalted) 1 tsp. 0.3 mcg
Stick Margarine* 1 tsp. 4.3 mcg
Mayonnaise* 1 Tbsp. 22.5 mcg
Almond 1 tsp. 0.3 mcg
Canola 1 tsp. 3.2 mcg
Corn 1 tsp. 0.1 mcg
Olive 1 tsp. 2.7 mcg
Peanut 1 tsp. 0 mcg
Safflower 1 tsp. 0.3 mcg
Sesame 1 tsp. 0.6 mcg
Soybean 1 tsp. 8.3 mcg
Sunflower 1 tsp. 0.2 mcg
Walnut 1 tsp. 0.7 mcg
Honey Mustard Dressing* 2 Tbsp. 21.0 mcg
Caesar Dressing* 2 Tbsp. 31.4 mcg
Ranch Dressing* 2 Tbsp. 40.3 mcg
Italian Dressing* 2 Tbsp. 16.5 mcg

* The Vitamin K levels in these foods may vary depending on what type of oil is used in their manufacturing.